CN219252774U

CN219252774U - Feeding and dust collecting device of ball mill

Info

Publication number: CN219252774U
Application number: CN202223480316.4U
Authority: CN
Inventors: 税彬; 王昌兵; 吕娟; 王琴; 黄文仲
Original assignee: Sichuan Zhengyuanheng Classical Building Materials Co ltd
Current assignee: Sichuan Zhengyuanheng Classical Building Materials Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-27
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a feeding dust collection device of a ball mill, which comprises a screw conveyor and the ball mill, wherein the screw conveyor is inserted in the feeding end of the ball mill in a penetrating and rotating manner, an annular air inlet box is fixedly arranged on the outer wall of the screw conveyor, an air inlet groove is formed in one end of the annular air inlet box, and the screw conveyor is fixedly arranged at one end of the ball mill. The beneficial effects are that: the utility model adopts the screening plate and the crushing roller, adopts the mode of vibrating screening and crushing roller secondary crushing, has higher screening and crushing efficiency, and more stable and reliable equipment operation, simultaneously, in the screening and crushing process, the air pump is started to pump out the air in the annular box, so that negative pressure is generated at the dust suction port, the generated dust is sucked into the annular box through the dust suction port when overflowed discharge hopper, is conveyed into the gas pipe through the air pump, enters the annular gas inlet box and is discharged into the ball mill along the gas inlet groove, thereby avoiding dust scattering, recycling the dust and facilitating clean production.

Description

Feeding and dust collecting device of ball mill

Technical Field

The utility model relates to the technical field of ball milling and crushing of materials, in particular to a feeding and dust collecting device of a ball mill.

Background

Some materials with high hardness can be crushed by adopting a ball mill, which is key equipment for crushing after the materials are crushed, and is widely applied to cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and nonferrous metal ore dressing, glass ceramics and other production industries, and various ores and other grindability materials are subjected to dry or wet grinding.

After searching, the utility model discloses a raw material feeding device of a ball mill for ceramic production, which only grinds raw materials with the diameter of twenty-five millimeters, but can not screen larger particles, for example, the raw material of alumina ceramic is easy to cause the blockage of the ball mill when the size of the raw material of alumina ceramic is overlarge, the inner wall of the ball mill is damaged for a long time, thus the application range of the raw material of alumina is directly reduced, the raw material size problem is not considered when the raw material is fed in the conventional ball mill, the raw material with different particle sizes of alumina is directly poured into the ball mill, the application efficiency is low, the inner sieve box is sleeved in the sieving box through the sieving box to play a role of dividing, the raw material of alumina ceramic is sieved through the sieve when the raw material of alumina ceramic is sieved through the gravity principle, the raw materials enter different cavities through the inside of different boxes, the feeding valve is used for controlling the speed of discharging, so that the problems of grinding blockage and insufficient grinding when large-particle alumina ceramics enter the grinding cavity are avoided, meanwhile, a plurality of cavities are arranged in the feeding cylinder, the size of the screened alumina raw materials can be effectively distributed in a box, a pushing screw rod can be arranged on the surface of the driving shaft through the driving shaft, the pushing screw rod is used for carrying out contact grinding on the alumina ceramic raw materials by pressing and the grinding net when the pushing screw rod rotates through the grinding net, the small alumina ceramic raw materials directly penetrate into the flowing cavity from the holes of the grinding net through the grinding opening, the mesh screen of the application is of a static structure, the screening effect is not high, the phenomenon of blocking is easy to generate, and meanwhile, when the grinding is carried out in a mode of driving the materials to move and contact with the grinding net through the screw rod, because the material hardness is big, the lapping net also needs to adopt high strength structure in order to avoid extrusion deformation, and the screw rod needs to provide very big thrust and just can accomplish the grinding process of the great material of hardness to material and lapping net contact efficiency is not high, and grinding efficiency is low, influences work efficiency, can also further improve, simultaneously, in grinding and screening's in-process, the dust upwards escapes and passes the feeder hopper easily and pollute the surrounding environment, also can further improve.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a feeding dust collection device of a ball mill, which has the advantages of high screening and crushing efficiency, dust collection and utilization, and convenient clean production, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of high screening and crushing efficiency, dust collection and utilization and convenient clean production, the utility model adopts the following specific technical scheme:

the utility model provides a ball mill feeding dust arrester installation, includes screw conveyer and ball mill, the ball mill feed end runs through and rotates the grafting and have screw conveyer, and screw conveyer outer wall fixed mounting has annular inlet box to the inlet channel has been seted up to annular inlet box one end, screw conveyer fixed establishment is in ball mill one end, and screw conveyer other end top surface mount is equipped with crushing fill, and crushing fill bottom surface and screw conveyer feed end link up and be connected, crushing fill internally mounted has crushing roller, and crushing roller top position is located crushing fill internally mounted and has the swash plate, crushing fill top one side link up and is connected with screening fill, and screening fill inside is provided with the screening board to screening board both ends below is located screening fill inner wall fixed mounting and has the backup pad, the backup pad is connected with screening board both ends bottom surface through supporting spring, and screening board bottom surface fixed mounting has vibrating motor, screening fill other end top surface link up and is connected with the hopper, and hopper top surface fixed sleeve has seted up the dust absorption mouth, inside the dust absorption mouth link up the ring box, crushing fill mount is equipped with the aspiration pump, and the aspiration pump link up with the aspiration tube through the exhaust tube with the ring pump and link up the other end through the exhaust tube and link up with the aspiration tube.

Furthermore, the inclined plate is arranged in an inverted splayed shape, the inclined plate is positioned below the screening plate, and the top surface of the inclined plate is subjected to polishing treatment.

Furthermore, the bottom surface of the screening hopper is an inclined surface, and the inner bottom surface of the screening plate is subjected to polishing treatment.

Further, the screening plates are obliquely arranged, and the installation height of one end of each screening plate close to the inclined plate is lower than that of one end of each screening plate close to the hopper.

Further, the annular air inlet box is rotationally connected with the inner wall of the ball mill feeding end through a sealing bearing.

Further, a plurality of supporting springs are arranged, and two ends of each supporting spring are fixedly connected with the screening plate and the supporting plate respectively.

Further, the front vertical face of the crushing hopper is provided with a driving structure of the crushing roller.

Furthermore, the dust collection openings are densely and uniformly provided with a plurality of dust collection openings.

(III) beneficial effects

Compared with the prior art, the utility model provides a feeding and dust collecting device of a ball mill, which has the following beneficial effects:

(1) When ball milling is carried out, materials can be put into the screening hopper from the hopper, the vibrating motor drives the screening plate to vibrate, the materials falling onto the top surface of the screening plate are screened, the materials meeting the particle size requirement pass through the screening plate and slide into the screw conveyor along the inner bottom surface of the screening hopper, direct conveying is carried out, the materials with overlarge particle size enter between inclined plates along the screening plate, fall through the crushing roller along the inclined plates and enter into the screw conveyor for conveying and feeding after being crushed again, and the screening and crushing efficiency is higher and the equipment operation is more stable and reliable by adopting a vibration screening and crushing roller secondary crushing mode.

(2) The utility model adopts the annular box and the air pump, the air pump is started in the screening and crushing process, the air in the annular box is pumped out, so that negative pressure is generated at the dust collection opening, the generated dust is sucked into the annular box through the dust collection opening when overflowed discharge hopper, is conveyed into the gas pipe through the air pump, enters the annular gas inlet box, is discharged into the ball mill along the gas inlet groove, and the dust is recycled while being prevented from drifting, thereby being convenient for clean production.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a feed dust collector of a ball mill according to the present utility model;

FIG. 2 is a front view of a feed dust collector of a ball mill in accordance with the present utility model;

FIG. 3 is an enlarged view of node A of the feed dust collector of the ball mill;

fig. 4 is a schematic structural view of a hopper according to the present utility model.

In the figure:

1. a screw conveyor; 2. crushing a hopper; 3. a sloping plate; 4. a pulverizing roller; 5. an air extracting pump; 6. a screening plate; 7. an exhaust pipe; 8. screening hopper; 9. a hopper; 10. a ring box; 11. a gas pipe; 12. ball mill; 13. a support spring; 14. a support plate; 15. a vibration motor; 16. a dust collection port; 17. an annular air inlet box; 18. an air inlet groove.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a feeding and dust collecting device of a ball mill is provided.

The utility model will now be further elucidated with reference to the drawings and the detailed description, as shown in fig. 1-4, a ball mill feed dust collector according to an embodiment of the utility model, comprising a screw conveyor 1 and a ball mill 12, wherein the feed end of the ball mill 12 is inserted through rotation with the screw conveyor 1, and the outer wall of the screw conveyor 1 is fixedly provided with an annular inlet box 17, wherein the annular inlet box 17 is rotatably connected with the inner wall of the feed end of the ball mill 12 through a sealed bearing, the housing of the screw conveyor 1 is of a cylindrical structure, avoiding air leakage, and the annular inlet box 17 is provided with an air inlet groove 18, the air inlet groove 18 is an annular groove, the screw conveyor 1 is fixedly mounted at one end of the ball mill 12, and the top surface of the screw conveyor 1 is provided with a pulverizing hopper 2, and the bottom surface of the pulverizing hopper 2 is in through connection with the feed end of the screw conveyor 1, the pulverizing bowl 4 is internally mounted with the pulverizing bowl 2, wherein the front surface of the pulverizing bowl 2 is provided with a drive structure of the pulverizing bowl 4, the pulverizing bowl 2 is of a common twin-roll type pulverizing machine structure, the pulverizing bowl is not repeatedly described here, and the pulverizing bowl 2 is fixedly mounted with a 3 internally, one side of the pulverizing bowl 2 is in through connection with a cylindrical structure, the pulverizing bowl motor 8, and the top surface of the pulverizing bowl 6 is fixedly mounted with a vibrating bowl 6, the pulverizing bowl 6 is fixedly mounted at the pulverizing bowl 6, the pulverizing bowl 2, the pulverizing bowl is mounted with a vibrating, the pulverizing bowl 2, the pulverizing bowl is mounted at the pulverizing bowl, and has a vibrating, and the pulverizing bowl is provided with a vibrating, and has a vibrating drum, and has a pulverizing bowl, and has a pulverizing drum, and a pulverizing machine and a, and a pulverizing machine. And the air inlet end of the air pump 5 is connected with the annular box 10 in a through way through the air exhaust pipe 7, and the air outlet end of the air pump 5 is connected with the other end of the annular air inlet box 17 in a through way through the air transmission pipe 11, when ball milling operation is carried out, materials can be thrown into the screening hopper 8 from the hopper 9, the vibrating motor 15 drives the screening plate 6 to vibrate, materials falling onto the top surface of the screening plate 6 are screened, materials meeting the particle size requirement pass through the screening plate 6 and slide into the screw conveyor 1 along the inner bottom surface of the screening hopper 8, direct conveying is carried out, materials with overlarge particle size enter between the inclined plates 3 along the screening plate 6, fall along the inclined plates 3 and pass through the crushing roller 4 for secondary crushing and then enter the screw conveyor 1 for conveying and feeding, the vibration screening and crushing roller 4 secondary crushing mode is adopted, screening and crushing efficiency is higher, equipment operation is more stable and reliable, simultaneously, in the process of screening and crushing, the air in the annular box 10 is started, negative pressure is generated at the dust suction opening 16, generated in the position of the dust suction opening 16 is sucked into the annular box 10 when the overflow hopper 9, the dust is conveyed into the annular box 5, the air suction opening 16, the dust is conveyed into the annular box 11, the air inlet box 17 is prevented from being discharged into the air inlet groove 18, and the air duct is convenient to clean and the dust is recycled.

In one embodiment, the inclined plate 3 is arranged in an inverted splayed shape, the inclined plate 3 is positioned below the sieving plate 6, and the top surface of the inclined plate 3 is polished so as to facilitate material sliding.

In one embodiment, the bottom surface of the screening hopper 8 is an inclined surface, and the inner bottom surface of the screening plate 6 is polished to facilitate the sliding of the material.

In one embodiment, the screening plates 6 are arranged diagonally, and the mounting height of the screening plates 6 near one end of the inclined plate 3 is lower than the mounting height of the screening plates 6 near one end of the hopper 9, so that large-particle materials can slide down between the inclined plates 3 directly.

In one embodiment, a plurality of supporting springs 13 are arranged, and two ends of each supporting spring 13 are fixedly connected with the screening plate 6 and the supporting plate 14 respectively, so that the screening plate 6 is prevented from falling off.

In one embodiment, the dust collection openings 16 are densely and uniformly arranged in a plurality, so that the uniformity and the comprehensiveness of dust collection are improved.

Working principle:

when ball milling operation is carried out, can throw into screening fill 8 with the material from hopper 9, vibrating motor 15 drives screening board 6 vibration, the material that drops to screening board 6 top surface is sieved, the material that accords with the particle diameter requirement passes screening board 6 and falls into screw conveyer 1 along screening fill 8 inner bottom surface, carry out direct delivery, the too big material of particle diameter is along screening board 6 entering between swash plate 3, fall along swash plate 3 and pass crushing roller 4 and carry out the feeding into screw conveyer 1 after carrying out secondary crushing, adopt vibration screening and crushing roller 4 secondary crushing mode, screening and crushing efficiency are higher, equipment operation is more reliable and stable, simultaneously, at screening and in-process of smashing, aspiration pump 5 starts, take out the inside air of ring case 10, make dust suction opening 16 department produce negative pressure, the dust that produces is inhaled into the inside the ring case 10 by dust suction opening 16 when overflow discharge fill 9, carry into the gas-in the gas-supply pipe 11, in entering the ring air inlet box 17, in the ball mill 12 is gone into along air inlet groove 18, the dust has been avoided in the dust to scatter, the clean production of being convenient for.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a ball mill feeding dust arrester installation, its characterized in that includes screw conveyer (1) and ball mill (12), ball mill (12) feed end runs through and rotates and peg graft there is screw conveyer (1), and screw conveyer (1) outer wall fixed mounting has annular inlet box (17) to inlet tank (18) have been seted up to annular inlet box (17) one end, screw conveyer (1) fixed mounting is in ball mill (12) one end, and screw conveyer (1) other end top surface mount is equipped with crushing fill (2), and crushing fill (2) bottom surface and screw conveyer (1) feed end through connection, crushing fill (2) internally mounted has crushing roller (4), and crushing roller (4) top position is located crushing fill (2) internally fixed mounting has swash plate (3), crushing fill (2) top one side through connection has screening fill (8), and screening fill (8) inside is provided with screening board (6) to screening board (6) both ends below screening fill (8) inner wall fixed mounting has backup pad (14), backup pad (14) are through supporting spring (13) and bottom surface (6) are connected with screening fill (6) feed end through, screening fill (9) both ends (15) are connected, and hopper (9) top surface fixed sleeve has cup jointed ring case (10) to hopper (9) top surface runs through and has offered dust absorption mouth (16), inside dust absorption mouth (16) link up ring case (10), smash fill (2) top surface mount and be equipped with aspiration pump (5), and aspiration pump (5) inlet end link up with ring case (10) through exhaust tube (7), and aspiration pump (5) outlet end link up with ring inlet box (17) other end through gas-supply pipe (11).

2. A ball mill feed dust collector as claimed in claim 1, wherein the inclined plate (3) is arranged in an inverted splayed shape, the inclined plate (3) is positioned below the screening plate (6), and the top surface of the inclined plate (3) is subjected to polishing treatment.

3. A ball mill feeding dust collection device according to claim 1, wherein the bottom surface of the screening hopper (8) is an inclined surface, and the inner bottom surface of the screening plate (6) is subjected to polishing treatment.

4. A ball mill feed dust collector as claimed in claim 1, characterized in that the screening plates (6) are arranged obliquely and the mounting height of the screening plates (6) near one end of the sloping plate (3) is lower than the mounting height of the screening plates (6) near one end of the hopper (9).

5. A ball mill feed dust collector as claimed in claim 1, wherein the annular inlet box (17) is rotatably connected to the inner wall of the feed end of the ball mill (12) by means of a sealed bearing.

6. A ball mill feeding dust collection device according to claim 1, wherein a plurality of supporting springs (13) are arranged, and two ends of each supporting spring (13) are fixedly connected with the screening plate (6) and the supporting plate (14) respectively.

7. A ball mill feed dust collector as claimed in claim 1, wherein the front elevation of the grinding hopper (2) is provided with a drive structure for the grinding roller (4).

8. A ball mill feeding dust collection device according to claim 1, wherein the dust collection openings (16) are densely and uniformly provided with a plurality of dust collection openings.